If no elder fares are available, adult fares are deducted.
According to , the operator of the Octopus card system, there are over 36 million cards in circulation, nearly five times the population of Hong Kong.
In June 2007, a new set of limited edition products was announced, featuring Mini Octopus cards and Child Octopus Wristbands.
South China Morning Post.
Retrieved 28 February 2007.
The Administrative Fee will only apply to Anonymous On-Loan Adult Octopus and Personalised On-Loan Octopus for customers aged 18 — 59 without concession.
The airport journeys are valid for 180 days from the date of purchase.
Three million cards were issued in the first three months of the system's launch.